Hardware Spec Index

Kyndral MB-4978 Prime B650 E-ATX Wi-Fi 6E Motherboard

Motherboards · Kyndral · SKU MB4978-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index3,594 (Motherboards scale)
Category rank#45,809
Street price$199
Power32 W
Performance per dollar18.06
Released2024

Specifications

BrandKyndral
ModelKyndral MB-4978 Prime
SocketAM5
ChipsetB650
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM16+1+1 phases, 70 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Kyndral MB-4978 Prime B650 E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/15249554 (accessed 2026-10-20).